<?php
namespace Swoole;
/**
 * 内容处理工具类
 * 提供远程图片获取、内容分页、汉字转拼音等功能
 * @author Tianfeng.Han
 * @package SwooleSystem
 * @subpackage tools
 *
 */
class Content
{
	/**
	 * 自动产生分页代码
	 * 根据$size提供的长度
	 * 将$content分成$sptag分割开的一个文本，可以使用explode实现内容划分
	 *
	 * @param $content 内容
	 * @param $spsize 每页内容长度
	 * @param $sptag  分隔符
	 * @return bool   是否成功
	 */
	function paging(&$content, $spsize, $sptag)
	{
		if(strlen($content)<$spsize) return false;
		$bds = explode('<',$content);
		$npageBody = "";
		$istable = 0;
		$content = "";
		foreach($bds as $i=>$k)
		{
			if($i==0){$npageBody .= $bds[$i]; continue;}
			$bds[$i] = "<".$bds[$i];
			if(strlen($bds[$i])>6)
			{
				$tname = substr($bds[$i],1,5);
				if(strtolower($tname)=='table') $istable++;
				else if(strtolower($tname)=='/tabl') $istable--;
				if($istable>0){$npageBody .= $bds[$i]; continue;}
				else $npageBody .= $bds[$i];
			}
			else
			{
				$npageBody .= $bds[$i];
			}
			if(strlen($npageBody)>$spsize)
			{
				$content .= $npageBody.$sptag;
				$npageBody = "";
			}
		}
		if($npageBody!="") $content .= $npageBody;
		return true;
	}

	/**
	 * 自动将给定的内容$data中远程图片的url改为本地图片，并自动将远程图片保存到本地
	 * @param $data
	 * @return unknown_type
	 */
	function image_local(&$content, $dir='')
	{
	    if(empty($dir)) $dir = UPLOAD_DIR.'/extend/'.date('Ym')."/".date("d");
		if(!file_exists($dir))
		{
			mkdir(WEBPATH.$dir,0777,true);
		}
		$chunklist = array ();
		$chunklist = explode("\n",$content);
		$links = array ();
		$regs = array ();
		$source = array();
		$i = 0;
		while(list ($id, $chunk) = each($chunklist))
		{
			if (strstr(strtolower($chunk),"img") && strstr(strtolower($chunk), "src"))
			{
				while (eregi("(img[^>]*src[[:blank:]]*)=[[:blank:]]*[\'\"]?(([[a-z]{3,5}://(([.a-zA-Z0-9-])+(:[0-9]+)*))*([+:%/?=&;\\\(\),._a-zA-Z0-9-]*))(#[.a-zA-Z0-9-]*)?[\'\" ]?", $chunk, $regs))
				{
					if($regs[2])
					{
						$i++;
						$source[$i] = $regs[2];
					}
					$chunk = str_replace($regs[0], "", $chunk);
				}
			}
		}
		$newImg = array();
		foreach($source as $uri)
		{
			if(!strstr(WEBROOT,$uri) and $uri{0}!='/')
			{
				$filename=substr(time(),6,-1).rand(100000,999999).".jpg";
				copy($uri,WEBPATH.$dir.'/'.$filename);
				$content = str_replace($uri,WEBROOT.$dir."/".$filename,$content);
			}
		}
	}

	/**
	 * 汉字转为拼音
	 * @param $str 中文
	 * @return $res 拼音
	 */
	function pinyin($str, $charset='gb2312')
	{
		return Pinyin($str, $charset);
	}

	//主要是用于pinyin方法
	private function _pinyin($num, &$pinyin)
	{
		if($num>0&&$num<160)
		{
			return chr($num);
		}
		elseif($num<-20319||$num>-10247)
		{
			return "";
		}
		else
		{
			for($i=count($pinyin)-1;$i>=0;$i--){if($pinyin[$i][1]<=$num)break;}
			return $pinyin[$i][0];
		}
	}
	/**
	 * 数字转汉字表示
	 *
	 */
	function num2han($num)
	{
	    $array = array('〇','一','二','三','四','五','六','七','八','九');
	    $num = (string) $num;
	    $len = strlen($num);
	    $str = '';
	    for($i=0;$i<$len;$i++)
	    {
	        $str.=$array[$num{$i}];
	    }
	    return $str;
	}
}
function Pinyin($_String, $_Code='gb2312')
{
	$_DataKey = "a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha".
                "|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|".
                "cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er".
                "|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui".
                "|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang".
                "|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang".
                "|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue".
                "|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne".
                "|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen".
                "|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang".
                "|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|".
                "she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|".
                "tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu".
                "|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you".
                "|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|".
                "zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo";

	$_DataValue = "-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990".
                "|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725".
                "|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263".
                "|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003".
                "|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697".
                "|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211".
                "|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922".
                "|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468".
                "|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664".
                "|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407".
                "|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959".
                "|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652".
                "|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369".
                "|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128".
                "|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914".
                "|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645".
                "|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149".
                "|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087".
                "|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658".
                "|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340".
                "|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888".
                "|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585".
                "|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847".
                "|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055".
                "|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780".
                "|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274".
                "|-10270|-10262|-10260|-10256|-10254";
	$_TDataKey   = explode('|', $_DataKey);
	$_TDataValue = explode('|', $_DataValue);

	$_Data = (PHP_VERSION>='5.0') ? array_combine($_TDataKey,  $_TDataValue) : _Array_Combine($_TDataKey, $_TDataValue);
	arsort($_Data);
	reset($_Data);

	if($_Code != 'gb2312') $_String = _U2_Utf8_Gb($_String);
	$_Res = '';
	for($i=0; $i<strlen($_String); $i++)
	{
		$_P = ord(substr($_String, $i, 1));
		if($_P>160) { $_Q = ord(substr($_String, ++$i, 1)); $_P = $_P*256 + $_Q - 65536; }
		$_Res .= _Pinyin($_P, $_Data);
	}
	return preg_replace("/[^a-z0-9]*/", '', $_Res);
}

function _Pinyin($_Num, $_Data)
{
	if    ($_Num>0      && $_Num<160   ) return chr($_Num);
	elseif($_Num<-20319 || $_Num>-10247) return '';
	else  {
		foreach($_Data as $k=>$v){ if($v<=$_Num) break; }
		return $k;
	}
}

function _U2_Utf8_Gb($_C)
{
	$_String = '';
	if($_C < 0x80) $_String .= $_C;
	elseif($_C < 0x800)
	{
		$_String .= chr(0xC0 | $_C>>6);
		$_String .= chr(0x80 | $_C & 0x3F);
	}elseif($_C < 0x10000){
		$_String .= chr(0xE0 | $_C>>12);
		$_String .= chr(0x80 | $_C>>6 & 0x3F);
		$_String .= chr(0x80 | $_C & 0x3F);
	} elseif($_C < 0x200000) {
		$_String .= chr(0xF0 | $_C>>18);
		$_String .= chr(0x80 | $_C>>12 & 0x3F);
		$_String .= chr(0x80 | $_C>>6 & 0x3F);
		$_String .= chr(0x80 | $_C & 0x3F);
	}
	return iconv('UTF-8', 'GB2312', $_String);
}

function _Array_Combine($_Arr1, $_Arr2)
{
	for($i=0; $i<count($_Arr1); $i++) $_Res[$_Arr1[$i]] = $_Arr2[$i];
	return $_Res;
}
?>